Olympus E-3 vs Pentax K-5 II
56 Imaging
44 Features
56 Overall
48
60 Imaging
57 Features
82 Overall
67
Olympus E-3 vs Pentax K-5 II Key Specs
(Full Review)
- 10MP - Four Thirds Sensor
- 2.5" Fully Articulated Display
- ISO 100 - 3200
- Sensor based Image Stabilization
- 1/8000s Max Shutter
- No Video
- Micro Four Thirds Mount
- 890g - 142 x 116 x 75mm
- Launched February 2008
- Succeeded the Olympus E-1
- Updated by Olympus E-5
(Full Review)
- 16MP - APS-C Sensor
- 3" Fixed Display
- ISO 100 - 12800 (Boost to 51200)
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 760g - 131 x 97 x 73mm
- Revealed June 2013
- Earlier Model is Pentax K-5
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Lets look more closely at the Olympus E-3 versus Pentax K-5 II, both Advanced DSLR digital cameras by companies Olympus and Pentax. There exists a substantial gap between the sensor resolutions of the E-3 (10MP) and K-5 II (16MP) and the E-3 (Four Thirds) and K-5 II (APS-C) boast totally different sensor dimensions.
Samsung Releases Faster Versions of EVO MicroSD CardsThe E-3 was revealed 6 years before the K-5 II and that is quite a big difference as far as technology is concerned. Each of the cameras have the same body design (Mid-size SLR).
Before delving into a more detailed comparison, here is a simple overview of how the E-3 grades against the K-5 II with regards to portability, imaging, features and an overall grade.
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This is a sample of the gallery pics for Olympus E-3 & Pentax K-5 II. The full galleries are viewable at Olympus E-3 Gallery & Pentax K-5 II Gallery.
Reasons to pick Olympus E-3 over the Pentax K-5 II
| E-3 | K-5 II | |||
|---|---|---|---|---|
| Display type | Fully Articulated | Fixed | Fully Articulating display | |
| Selfie screen | Take selfies |
Reasons to pick Pentax K-5 II over the Olympus E-3
| K-5 II | E-3 | |||
|---|---|---|---|---|
| Revealed | June 2013 | February 2008 | More recent by 64 months | |
| Display dimensions | 3" | 2.5" | Larger display (+0.5") | |
| Display resolution | 921k | 230k | Clearer display (+691k dot) |
Common features in the Olympus E-3 and Pentax K-5 II
| E-3 | K-5 II | |||
|---|---|---|---|---|
| Manual focus | Very accurate focus | |||
| Touch display | Lack of Touch display |
Olympus E-3 vs Pentax K-5 II Physical Comparison
For anyone who is intending to lug around your camera often, you have to factor in its weight and size. The Olympus E-3 enjoys outer dimensions of 142mm x 116mm x 75mm (5.6" x 4.6" x 3.0") with a weight of 890 grams (1.96 lbs) and the Pentax K-5 II has specifications of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") accompanied by a weight of 760 grams (1.68 lbs).
Check the Olympus E-3 versus Pentax K-5 II in our newest Camera plus Lens Size Comparison Tool.
Always remember, the weight of an ILC will vary dependant on the lens you are working with at that time. Following is a front view scale comparison of the E-3 and the K-5 II.

Looking at dimensions and weight, the portability rating of the E-3 and K-5 II is 56 and 60 respectively.
Olympus E-3 vs Pentax K-5 II Sensor Comparison
Sometimes, it's difficult to envision the gap between sensor measurements purely by reading specifications. The visual below may offer you a far better sense of the sensor sizes in the E-3 and K-5 II.
Plainly, the 2 cameras provide different resolutions and different sensor measurements. The E-3 having a tinier sensor will make shooting shallower DOF harder and the Pentax K-5 II will deliver greater detail because of its extra 6 Megapixels. Greater resolution can also allow you to crop pics more aggressively. The older E-3 is going to be behind in sensor innovation.
Olympus E-3 vs Pentax K-5 II Screen and ViewFinder
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Olympus E-3 vs Pentax K-5 II Specifications
| Olympus E-3 | Pentax K-5 II | |
|---|---|---|
| General Information | ||
| Brand Name | Olympus | Pentax |
| Model | Olympus E-3 | Pentax K-5 II |
| Type | Advanced DSLR | Advanced DSLR |
| Launched | 2008-02-20 | 2013-06-04 |
| Physical type | Mid-size SLR | Mid-size SLR |
| Sensor Information | ||
| Powered by | TruePic III | Prime II |
| Sensor type | CMOS | CMOS |
| Sensor size | Four Thirds | APS-C |
| Sensor measurements | 17.3 x 13mm | 23.7 x 15.7mm |
| Sensor area | 224.9mm² | 372.1mm² |
| Sensor resolution | 10MP | 16MP |
| Anti aliasing filter | ||
| Aspect ratio | 4:3 | 3:2 |
| Peak resolution | 3648 x 2736 | 4928 x 3264 |
| Highest native ISO | 3200 | 12800 |
| Highest enhanced ISO | - | 51200 |
| Minimum native ISO | 100 | 100 |
| RAW photos | ||
| Minimum enhanced ISO | - | 80 |
| Autofocusing | ||
| Manual focus | ||
| Touch to focus | ||
| Continuous AF | ||
| AF single | ||
| Tracking AF | ||
| Selective AF | ||
| AF center weighted | ||
| AF multi area | ||
| AF live view | ||
| Face detect AF | ||
| Contract detect AF | ||
| Phase detect AF | ||
| Number of focus points | 11 | 11 |
| Cross focus points | - | 9 |
| Lens | ||
| Lens mount | Micro Four Thirds | Pentax KAF2 |
| Number of lenses | 45 | 151 |
| Crop factor | 2.1 | 1.5 |
| Screen | ||
| Type of display | Fully Articulated | Fixed Type |
| Display size | 2.5 inches | 3 inches |
| Resolution of display | 230k dots | 921k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch function | ||
| Display tech | - | TFT LCD monitor |
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | Optical (pentaprism) |
| Viewfinder coverage | 100 percent | 100 percent |
| Viewfinder magnification | 0.58x | 0.61x |
| Features | ||
| Min shutter speed | 60 seconds | 30 seconds |
| Max shutter speed | 1/8000 seconds | 1/8000 seconds |
| Continuous shutter rate | 5.0fps | 7.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash range | 13.00 m | 13.00 m (at ISO 100) |
| Flash options | Auto, Auto FP, Manual, Red-Eye | Auto, On, Off, Red-eye, Slow sync, High speed, Rear curtain and Wireless |
| External flash | ||
| AE bracketing | ||
| White balance bracketing | ||
| Max flash synchronize | 1/250 seconds | - |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Supported video resolutions | - | 1920 x 1080 (25 fps), 1280 x 720 (25, 30 fps), 640 x 480 (25, 30 fps) |
| Highest video resolution | None | 1920x1080 |
| Video format | - | Motion JPEG |
| Microphone support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | None | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | Optional |
| Physical | ||
| Environment sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 890g (1.96 lb) | 760g (1.68 lb) |
| Physical dimensions | 142 x 116 x 75mm (5.6" x 4.6" x 3.0") | 131 x 97 x 73mm (5.2" x 3.8" x 2.9") |
| DXO scores | ||
| DXO Overall score | 56 | 82 |
| DXO Color Depth score | 21.6 | 23.8 |
| DXO Dynamic range score | 10.5 | 14.1 |
| DXO Low light score | 571 | 1235 |
| Other | ||
| Battery life | - | 980 pictures |
| Form of battery | - | Battery Pack |
| Battery model | - | D-LI90 |
| Self timer | Yes (2 or 12 sec) | Yes ( 2 or 12 seconds) |
| Time lapse feature | ||
| Storage type | Compact Flash (Type I or II), xD Picture Card | SD/SDHC/SDXC |
| Card slots | One | One |
| Retail price | $670 | $830 |